2. 外语
  3. To reduce car crash rate, many scientists are working hard to Which of the following statements is true of robotic drivers?

To reduce car crash rate, many scientists are working hard to Which of the following statements is true of robotic drivers?

admin2009-01-21  66
问题 To reduce car crash rate, many scientists are working hard to
Which of the following statements is true of robotic drivers?
选项 A、It will take some time before robotic drivers are available.
B、Robotic drivers are not allowed to drive on busy roads.
C、Robotic drivers can never replace human drivers.
D、Robotic drivers are too expensive to use.
答案A
解析
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